diff --git a/Dockerfile b/Dockerfile
index fc67127..fcb05ca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,8 @@
 # https://endoflife.date/alpine
 FROM alpine:3.18
 
+ARG HADOLINT_VERSION
+ENV HADOLINT_VERSION ${HADOLINT_VERSION}
 
 RUN wget -nv https://github.com/hadolint/hadolint/releases/download/v${HADOLINT_VERSION}/hadolint-Linux-x86_64 -O /usr/local/bin/hadolint \
   && chmod +x /usr/local/bin/hadolint
\ No newline at end of file